In Gram staining, ethanol-acetone is used as a
A) primary stain.
B) decolorizing agent.
C) mordant.
D) counterstain.
E) drying agent.

Name: In Gram staining, ethanol-acetone is used as a A) primary stain. B) decolorizing agent. C) mordant. D) counterstain. E) drying agent.
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Question

Quizplus · Accepted Answer

Ethanol-acetone is used as a decolorizing agent in Gram staining. It removes the crystal violet-iodine complex from Gram-negative bacteria, making them appear pink or red under the microscope.

In Gram Staining, Ethanol-Acetone Is Used as a